public override void MoveHandle(PointF point, int handleNumber, Keys modifiers)
{
int constraintAngleSubdivisions = 8; // (Constraint by 45° steps).
switch (handleNumber)
{
case 1:
if ((modifiers & Keys.Shift) == Keys.Shift)
{
points["a"] = GeometryHelper.GetPointAtClosestRotationStepCardinal(points["b"], point, constraintAngleSubdivisions);
}
else
{
points["a"] = point;
}
SignalTrackablePointMoved("a");
break;
case 2:
if ((modifiers & Keys.Shift) == Keys.Shift)
{
points["b"] = GeometryHelper.GetPointAtClosestRotationStepCardinal(points["a"], point, constraintAngleSubdivisions);
}
else
{
points["b"] = point;
}
SignalTrackablePointMoved("b");
break;
case 3:
// Move the center of the mini label to the mouse coord.
miniLabel.SetLabel(point);
break;
}
if (CalibrationHelper != null)
{
CalibrationHelper.CalibrationByLine_Update(Id, points["a"], points["b"]);
}
}
public override void MoveHandle(PointF point, int handle, Keys modifiers)
{
int constraintAngleSubdivisions = 8; // (Constraint by 45° steps).
switch (handle)
{
case 1:
points["o"] = point;
SignalTrackablePointMoved("o");
break;
case 2:
if ((modifiers & Keys.Shift) == Keys.Shift)
{
points["a"] = GeometryHelper.GetPointAtClosestRotationStepCardinal(points["o"], point, constraintAngleSubdivisions);
}
else
{
points["a"] = point;
}
SignalTrackablePointMoved("a");
break;
case 3:
if ((modifiers & Keys.Shift) == Keys.Shift)
{
points["b"] = GeometryHelper.GetPointAtClosestRotationStepCardinal(points["o"], point, constraintAngleSubdivisions);
}
else
{
points["b"] = point;
}
SignalTrackablePointMoved("b");
break;
default:
break;
}
}
private static void MovePointHandleAtDistance(GenericPosture posture, int handle, PointF point, GenericPostureConstraintDistanceToPoint constraint, Keys modifiers)
{
if (constraint == null)
{
MovePointHandleFreely(posture, handle, point);
return;
}
PointF parent = posture.PointList[constraint.RefPoint];
PointF child = posture.PointList[posture.Handles[handle].Reference];
float distance = GeometryHelper.GetDistance(parent, child);
PointF temp = GeometryHelper.GetPointAtDistance(parent, point, distance);
int constraintAngleSubdivisions = 8; // (Constraint by 45° steps).
if ((modifiers & Keys.Shift) == Keys.Shift)
{
posture.PointList[posture.Handles[handle].Reference] = GeometryHelper.GetPointAtClosestRotationStepCardinal(parent, temp, constraintAngleSubdivisions);
}
else
{
posture.PointList[posture.Handles[handle].Reference] = temp;
}
}